Child who speaks NO English
So I just had an interview with a very nice Chinese family. However, the parents speak limited English and their 4 yo son speaks NONE and understands NONE. I asked how they think it would work here at daycare with him and I communicating to each other. I asked if pictures would help so that he would know when I'm asking him to use the washroom, letting him know that we're going to do lunch/outside/art etc but they didn't really seem to know what I meant and/or didn't seem to care? The child was VERY happy and played well and seemed excited to be here. I asked the parents to go home and think about it and get back to me in a day or two to let me know if they would be interested in the spot or not. However, I am not sure I want to offer the spot to them if they do decide they like it here. I have only interviewed one other non English speaking family and they chose not to come here due to price so I didn't have to worry about it. This could be the case with this family as well but they didn't flat out tell me no so I'm wondering what to do on the off chance they do say yes.
Has anyone taken on a non English speaking family? Did it work out? Any suggestions? I'm at a loss as to what to do....I would feel terrible telling them no just because of this but on the other hand, it's a pretty big issue isn't it??